Coffee is the world's most traded product, and it is highly vulnerable to climate change. Researchers at Biosphere 2 are studying coffee plant sensitivity and how growing and bean processing conditions affect flavor.

A study combining climate change records with fossil evidence of mammals in Africa reveals that times of erratic climate change are not followed by major upheavals in evolution.

The Arizona Board of Regents confirmed the appointments of Sama Alshaibi, Jean-Luc Brédas, Dr. Juanita Merchant, David Pietz and Dr. Donata Vercelli as Regents Professors.

A team of astronomers including researchers from the University of Arizona has discovered evidence of a giant planet in the process of forming. This provides the first-ever look at the earliest stages of the formation of a gas giant planet, when it's still embedded in the disk of gas and dust surrounding its young host star.